SECTION 4.5
257
Color Spaces
65 20 31 33
72 64 00 00
70 6C 65 20
64 61 72 64
00 00 00 00
00 00 00 00
00 58 59 5A
00 00 35 0F
00 00 53 3D
00 00 00 00
63 75 72 76
63 75 72 76
63 75 72 76
58 59 5A 20
00 01 67 E7
79 72 69 67
70 75 74 65
endstream
endobj
22
00
31
00
00
00
58
00
00
00
00
00
00
00
74
68
72
20
00
33
00
00
00
59
00
00
00
00
00
00
00
65
74
73
52 47 42 20 53 74 61 6E 64 61
00 00 00 00 00 00 00 17 41 70
22 20 52 47 42 20 53 74 61 6E
00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00
5A 20 00 00 00 00 00 00 63 0A
03 30 58 59 5A 20 00 00 00 00
AE 37 00 00 15 76 58 59 5A 20
40 89 00 00 1C AF 00 00 BA 82
00 00 00 00 00 01 01 CC 63 75
00 00 00 00 00 01 01 CC 63 75
00 00 00 00 00 01 01 CC 58 59
00 00 00 00 F3 1B 00 01 00 00
78 74 00 00 00 00 20 43 6F 70
20 41 70 70 6C 65 20 43 6F 6D
20 31 39 39 34 00 >
Default Color Spaces
Colors that are specified in a device color space (
DeviceGray
,
DeviceRGB
, or
DeviceCMYK
) are device-dependent. By setting
default color spaces (PDF 1.1),
a
PDF document can request that such colors be systematically transformed
(remapped)
into device-independent CIE-based color spaces. This capability can
be useful in a variety of circumstances:
•
A document originally intended for one output device is redirected to a differ-
ent device.
•
A document is intended to be compatible with applications designed for earlier
versions of PDF and thus cannot specify CIE-based colors directly.
•
Color corrections or rendering intents need to be applied to device colors (see
A color space is selected for painting each graphics object. This is either the cur-
rent color space parameter in the graphics state or a color space given as an entry
in an image XObject, inline image, or shading dictionary. Regardless of how the
color space is specified, it may be subject to remapping as described below.